Home / 112,096.36-154,756.34-74,422.12

Finding the Fourth Proportional to 112,096.36, 154,756.34 and 74,422.12

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Solution

The fourth proportional to 112,096.36, 154,756.34 and 74,422.12 is: 102,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096.36 : 154,756.34 = 74,422.12 : x
  2. Step 2: Convert to fraction form
    112,096.36/154,756.34 = 74,422.12/x
  3. Step 3: Cross multiply
    112,096.36x = 154,756.34 × 74,422.12
  4. Step 4: Simplify right side
    112,096.36x = 11,517,294,906.24
  5. Step 5: Solve for x
    x = 11,517,294,906.24/112,096.36
  6. Step 6: Final answer
    x = 102,744.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.